A099174 - OEIS

login

The OEIS is supported by the many generous donors to the OEIS Foundation.

A099174 as a triangular array

1

0 1

1 0 1

0 3 0 1

3 0 6 0 1

0 15 0 10 0 1

15 0 45 0 15 0 1

0 105 0 105 0 21 0 1

105 0 420 0 210 0 28 0 1

0 945 0 1260 0 378 0 36 0 1

945 0 4725 0 3150 0 630 0 45 0 1

0 10395 0 17325 0 6930 0 990 0 55 0 1

A099174 as a square array

`1`	`0`	`1`	`0`	`3`	`0`	`15`	`0`	`105`	`0`	`945`	`0`
`1`	`0`	`3`	`0`	`15`	`0`	`105`	`0`	`945`	`0`	`10395`
`1`	`0`	`6`	`0`	`45`	`0`	`420`	`0`	`4725`	`0`
`1`	`0`	`10`	`0`	`105`	`0`	`1260`	`0`	`17325`
`1`	`0`	`15`	`0`	`210`	`0`	`3150`	`0`
`1`	`0`	`21`	`0`	`378`	`0`	`6930`
`1`	`0`	`28`	`0`	`630`	`0`
`1`	`0`	`36`	`0`	`990`
`1`	`0`	`45`	`0`
`1`	`0`	`55`
`1`	`0`
`1`

A099174 as an upper right triangle

`1`	`0`	`1`	`0`	`3`	`0`	`15`	`0`	`105`	`0`	`945`	`0`
	`1`	`0`	`3`	`0`	`15`	`0`	`105`	`0`	`945`	`0`	`10395`
		`1`	`0`	`6`	`0`	`45`	`0`	`420`	`0`	`4725`	`0`
			`1`	`0`	`10`	`0`	`105`	`0`	`1260`	`0`	`17325`
				`1`	`0`	`15`	`0`	`210`	`0`	`3150`	`0`
					`1`	`0`	`21`	`0`	`378`	`0`	`6930`
						`1`	`0`	`28`	`0`	`630`	`0`
							`1`	`0`	`36`	`0`	`990`
								`1`	`0`	`45`	`0`
									`1`	`0`	`55`
										`1`	`0`
											`1`

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 18:17 EDT 2024. Contains 371962 sequences. (Running on oeis4.)